// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2006 Novell, Inc.
//
// Authors:
//	Chris Toshok	<toshok@ximian.com>

using System;
using System.Collections;
using System.ComponentModel;

namespace System.Windows.Forms {

	internal class RelatedPropertyManager : PropertyManager {

		BindingManagerBase parent;

		public RelatedPropertyManager (BindingManagerBase parent, string property_name)
		{
			this.parent = parent;
			this.property_name = property_name;

			if (parent.Position != -1)
				SetDataSource (parent.Current);
			parent.PositionChanged += new EventHandler (parent_PositionChanged);
		}

		void parent_PositionChanged (object sender, EventArgs args)
		{
			if (parent.Position == -1) {
				SetDataSource (null);
			}
			else {
				SetDataSource (parent.Current);
			}

			OnCurrentChanged (EventArgs.Empty);
		}

		public override PropertyDescriptorCollection GetItemProperties ()
		{
			PropertyDescriptor property = parent.GetItemProperties ().Find (property_name, true);

			// We can't just pass property.PropertyType, since the actual object could implement
			// more elements and not only those described in the property type
			return TypeDescriptor.GetProperties (property.GetValue (parent.Current));
		}
	}
}

